import Vue from 'vue'
import Router from 'vue-router'

// in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot update too slow. so only in production use lazy-loading;
// detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading

Vue.use(Router)

/* Layout */
// import Layout from '../views/layout/Layout'
import Layout from '@/layout/Layout'

/**
* hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
* alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
*                                if not set alwaysShow, only more than one route under the children
*                                it will becomes nested mode, otherwise not show the root menu
* redirect: noredirect           if `redirect:noredirect` will no redirct in the breadcrumb
* name:'router-name'             the name is used by <keep-alive> (must set!!!)
* meta : {
    title: 'title'               the name show in submenu and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar,
  }
**/
export const constantRouterMap = [
  { path: '/login', component: () => import('@/views/login/index'), hidden: true },
  { path: '/404', component: () => import('@/views/404'), hidden: true },

  {
    path: '/', // 根目录 配置
    component: Layout,
    redirect: '/home',
    hidden: true,
    children: [
      // 首页
      {
        path: 'home', name: 'home', component: () => import('@/views/home/index'),
        meta: { title: '首页', affix: true }
      }
      // 业务：个人资料
      // { path: 'userInfo', name: 'userInfo', component: () => import('@/views/pager/basis/userInfo'), meta: { title: '个人资料' } }
    ]
  },
  // 页面刷新
  {
    path: '/redirect', component: Layout, hidden: true,
    children: [
      {
        path: '/redirect/:path*',
        component: (resolve) => require(['@/views/home/redirect'], resolve)
      }
    ]
  },

  // 业务：错误404
  { path: '*', redirect: '/404', hidden: true }

]

// 批量导入--路由配置
const files = require.context('./modules', false, /(?<!index)\.js$/)
files.keys().forEach(path => {
  const improtObj = files(path)
  const def = improtObj.default
  let resObj = null
  resObj = def || Object.values(improtObj)
  resObj = Array.isArray(resObj) ? resObj : [resObj]
  const ind = constantRouterMap.length - 1
  // 插入对象到-倒数第二个
  constantRouterMap.splice(ind, 0, ...resObj)
})

/** 路由重载处理 */
const createRouter = () => new Router({
  mode: 'history', // 后端支持可开
  // base: '/channel/', // 可以配置根路径
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRouterMap
})

const router = createRouter()

export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}
export default router
